"This is a new low and unprecedented in the history of American presidential politics," Rather wrote on Facebook

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Dan Rather, former anchor of the “CBS Evening News” from 1981 to 2005, took to Facebook on Tuesday after Trump said “Second Amendment people” could deal with Hillary Clinton and the judges she appoints if elected

Dan Rather is slamming Donald Trump's comment Tuesday suggesting that "Second Amendment people" may be able to find a way to stop Democrat Hillary Clinton from rolling back gun rights if she's elected.

In a Tuesday Facebook post, the former CBS News anchor says the GOP presidential nominee "crossed a line with dangerous potential" by launching "a direct threat of violence against a political rival."

"By any objective analysis, this is a new low and unprecedented in the history of American presidential politics," Rather wrote. "This is no longer about policy, civility, decency or even temperament."

Rather also says "history is watching" those who denounce Trump's comments, but continue to support the candidate.

"To anyone who still pretends this is a normal election of Republican against Democrat, history is watching," he wrote. "And I suspect its verdict will be harsh. Many have tried to do a side-shuffle and issue statements saying they strongly disagree with his rhetoric but still support the candidate. That is becoming woefully insufficient. The rhetoric is the candidate."

Trump told Fox News on Tuesday night that he was simply referring to the power that voters hold.

Rather left CBS News in 2006 on bitter terms following criticism over a report on former President George W. Bush's military service record that was based on questionable documents.